Bishop's Opening: Calabrese Countergambit, Jaenisch Variation
1. e4 e5 2. Bc4 f5 3. d3
The Bishop's Opening: Calabrese Countergambit, Jaenisch Variation is a chess opening classified as ECO C23, reached after 1. e4 e5 2. Bc4 f5 3. d3. It is a line of the Bishop's Opening. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 475 times by this move order. White won 53%, 3% were drawn and Black won 44%. The most popular continuation is 3… Nf6 (79% of games).
Engine evaluation: +0.54 (Stockfish, depth 34; best line 3… Nf6 4. f4 Nc6 5. Nf3 d6 6. a4)
- ECO
- C23
- Moves
- 5 plies
- FEN
rnbqkbnr/pppp2pp/8/4pp2/2B1P3/3P4/PPP2PPP/RNBQK1NR b KQkq - 0 3- PGN
1. e4 e5 2. Bc4 f5 3. d3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 154 | |
| 1500-1999 | 277 | |
| 2000+ | 44 | |
| All | 475 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 3… Nf6 | 377 (79%) | |
| 3… fxe4 | 33 (7%) | |
| 3… f4 | 21 (4%) | |
| 3… h6 | 10 (2%) | |
| 3… Bc5 | 8 (2%) | |
| 3… Nc6 | 8 (2%) | |
| 3… d6 | 6 (1%) | |
| 3… d5 | 4 (1%) |
Master games
10 over-the-board games are classified under this line (White 30%, draw 30%, Black 40%). The strongest:
- GM Hugo Ten Hertog (2524) – GM Narayanan S L (2658) 0-1 · Titled Tuesday 4th Jan · 2022-01-04
- IM Diego Rafael Di Berardino (2471) – GM Ivan Ivanisevic (2606) 1/2-1/2 · Titled Tuesday 16th Feb · 2021-02-16
- FM Iung Alicio de O. Pinheiro (2320) – GM Luca Jr Moroni (2584) 0-1 · Titled Tue 14th Jun Late · 2022-06-14
- CM Rafal Szyszylo (2114) – IM Milos Stankovic (2458) 0-1 · Titled Tue 28th Jan Early · 2025-01-28
- CM Marcel Petersen (2263) – CM Volen Dyulgerov (2181) 1-0 · Titled Tue 21st Jul 2026 · 2026-07-21
Highest-rated Lichess games
- Krasnoznamensk (2381) – Quartarone (2442) 1/2-1/2 · 2026-09-03 · 180 + 0s
- machouil (2411) – Lejeudufou (2300) 1-0 · 2026-09-01 · 180 + 2s
- PitZampas (2342) – argondog (2358) 0-1 · 2026-09-04 · 180 + 0s
Comes from
Bishop's Opening: Calabrese Countergambit 1. e4 e5 2. Bc4 f5
More Bishop's Opening lines (all)
- Bishop's Opening C23
- Bishop's Opening: Anderssen Gambit C23
- Bishop's Opening: Boi Variation C23
- Bishop's Opening: Four Pawns Gambit C23
- Bishop's Opening: Khan Gambit C23
- Bishop's Opening: Lewis Countergambit (3. c3 d5) C23
- Bishop's Opening: Lewis Countergambit (4. Bxd5 Nf6) C23
- Bishop's Opening: Lewis Countergambit, Walker Variation C23
- Bishop's Opening: Lewis Gambit C23
- Bishop's Opening: Lisitsyn Variation C23
- Bishop's Opening: Lopez Gambit C23
- Bishop's Opening: Lopez Variation C23
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.